If anyone has watched F1 on the tele there's nothing to touch having coffee on the starting grid or going around the circuit in your van , or standing in the tunnel and imagine the row there must be when the cars go through.
This isn't all though it's just the atmosphere of the place.
Not motorhome friendly though unfortunately, have to park out of town and bus or train in.
Went a few years ago when we were on m/c -tour of Prince Rainiers castle (worth a go ) did the circuit and the casino (see how the other half lives !